{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "cell line", "cell type", "RNA", "DNA"], "input": "Activation of proenkephalin transcription by JunD is dependent upon a previously characterized cAMP -, phorbol ester -, and Ca(2+) -inducible enhancer , and JunD is shown to bind the enhancer as a homodimer ."}
{"protein": ["JunD", "homodimer"], "cell line": [], "cell type": [], "RNA": [], "DNA": ["cAMP -, phorbol ester -, and Ca(2+) -inducible enhancer", "enhancer"]}